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提出了桥梁生命周期环境影响评价和对比分析方法,对于不同桥梁的环境影响评价结果采用单位桥长法和单位原材料法进行修正,并应用于武汉市墨水湖大桥和南太子湖大桥.结果表明,在建筑材料生产过程和桥梁施工过程中固体废弃物环境影响最大,在桥梁运营维护过程中全球变暖环境影响显著,南太子湖大桥施工方法较墨水湖大桥更为环保.
Proposed the bridge life cycle environmental impact assessment and comparative analysis method, for the different bridge environmental impact assessment results using unit bridge method and unit raw material method to be amended, and applied to Wuhan City, Wuhan Lake Bridge and South Taizi Lake Bridge.The results show that, In the process of building materials production and bridge construction, the environmental impact of solid wastes is the largest. In the course of bridge operation and maintenance, global warming has a significant impact on the environment. The construction method of Nantai Lake Bridge is more environmentally friendly than that of the Inuchuu Lake Bridge.